Home / 103,138,682.96-154,725,650.04-42,521,272.40

Finding the Fourth Proportional to 103,138,682.96, 154,725,650.04 and 42,521,272.40

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Solution

The fourth proportional to 103,138,682.96, 154,725,650.04 and 42,521,272.40 is: 63,789,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,138,682.96 : 154,725,650.04 = 42,521,272.40 : x
  2. Step 2: Convert to fraction form
    103,138,682.96/154,725,650.04 = 42,521,272.40/x
  3. Step 3: Cross multiply
    103,138,682.96x = 154,725,650.04 × 42,521,272.40
  4. Step 4: Simplify right side
    103,138,682.96x = 6,579,131,512,617,910
  5. Step 5: Solve for x
    x = 6,579,131,512,617,910/103,138,682.96
  6. Step 6: Final answer
    x = 63,789,175.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.